213401303 has 8 divisors (see below), whose sum is σ = 225409536. Its totient is φ = 201713400.

The previous prime is 213401299. The next prime is 213401317. The reversal of 213401303 is 303104312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213401303 - 2² = 213401299 is a prime.

It is a super-2 number, since 2×213401303² = 91080232244195618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213401333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78713 + ... + 81378.

It is an arithmetic number, because the mean of its divisors is an integer number (28176192).

Almost surely, 2^213401303 is an apocalyptic number.

213401303 is a deficient number, since it is larger than the sum of its proper divisors (12008233).

213401303 is a wasteful number, since it uses less digits than its factorization.

213401303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160165.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 213401303 is about 14608.2614639799. The cubic root of 213401303 is about 597.5840843833.

Adding to 213401303 its reverse (303104312), we get a palindrome (516505615).

The spelling of 213401303 in words is "two hundred thirteen million, four hundred one thousand, three hundred three".